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Related Experiment Video

Updated: Mar 8, 2026

The Collective Trust Game: An Online Group Adaptation of the Trust Game Based on the HoneyComb Paradigm

The Collective Trust Game: An Online Group Adaptation of the Trust Game Based on the HoneyComb Paradigm

Published on: October 20, 2022

Public goods games on any population structure.

Chaoqian Wang¹, Qi Su^2,3,4

¹School of Mathematics and Statistics, Nanjing University of Science and Technology, Nanjing 210094, China.

Science Advances

|March 6, 2026

Summary

Cooperation in groups is better understood using public goods games (PGGs) on diverse networks. PGGs surprisingly promote cooperation even on structures like star graphs, unlike pairwise models.

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Published on: July 4, 2007

Area of Science:

Evolutionary Game Theory
Network Science
Social Behavior

Background:

Pairwise interactions are well-studied for cooperation in social networks.
Group-based public goods games (PGGs) theory is less explored.
Understanding cooperation on complex population structures is crucial.

Purpose of the Study:

To provide theoretical conditions for cooperation in PGGs on arbitrary networks.
To explore network structures that facilitate cooperation.
To investigate the robustness of PGGs for cooperation.

Main Methods:

Theoretical analysis under weak selection.
Examination of PGGs on various network topologies.
Application to empirical network data.

Main Results:

Cooperation thrives in PGGs on almost all networks, even those failing pairwise models (e.g., star graphs).
Network structure and group dynamics significantly influence cooperation.
Self-reciprocity and clustering enhance cooperation via second-order interactions.

Conclusions:

PGGs offer a robust framework for cooperation across diverse network structures.
Group interactions in PGGs overcome limitations of pairwise models.
PGGs show promise for real-world cooperation emergence.